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Initialize TxConfirmStats in constructor

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and change to storing as a pointer.
This commit is contained in:
Alex Morcos 2017-02-16 16:23:15 -05:00
parent 5ba81e54e0
commit 2332f19bef
2 changed files with 24 additions and 18 deletions
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35
src/policy/fees.cpp
View File

@ -14,8 +14,8 @@
#include "txmempool.h"
#include "util.h"
void TxConfirmStats::Initialize(std::vector<double>& defaultBuckets,
unsigned int maxConfirms, double _decay)
TxConfirmStats::TxConfirmStats(const std::vector<double>& defaultBuckets,
unsigned int maxConfirms, double _decay)
{
decay = _decay;
for (unsigned int i = 0; i < defaultBuckets.size(); i++) {
@ -294,7 +294,7 @@ bool CBlockPolicyEstimator::removeTx(uint256 hash)
LOCK(cs_feeEstimator);
std::map<uint256, TxStatsInfo>::iterator pos = mapMemPoolTxs.find(hash);
if (pos != mapMemPoolTxs.end()) {
feeStats.removeTx(pos->second.blockHeight, nBestSeenHeight, pos->second.bucketIndex);
feeStats->removeTx(pos->second.blockHeight, nBestSeenHeight, pos->second.bucketIndex);
mapMemPoolTxs.erase(hash);
return true;
} else {
@ -312,7 +312,12 @@ CBlockPolicyEstimator::CBlockPolicyEstimator()
vfeelist.push_back(bucketBoundary);
}
vfeelist.push_back(INF_FEERATE);
feeStats.Initialize(vfeelist, MAX_BLOCK_CONFIRMS, DEFAULT_DECAY);
feeStats = new TxConfirmStats(vfeelist, MAX_BLOCK_CONFIRMS, DEFAULT_DECAY);
}
CBlockPolicyEstimator::~CBlockPolicyEstimator()
{
delete feeStats;
}
void CBlockPolicyEstimator::processTransaction(const CTxMemPoolEntry& entry, bool validFeeEstimate)
@ -346,7 +351,7 @@ void CBlockPolicyEstimator::processTransaction(const CTxMemPoolEntry& entry, boo
CFeeRate feeRate(entry.GetFee(), entry.GetTxSize());
mapMemPoolTxs[hash].blockHeight = txHeight;
mapMemPoolTxs[hash].bucketIndex = feeStats.NewTx(txHeight, (double)feeRate.GetFeePerK());
mapMemPoolTxs[hash].bucketIndex = feeStats->NewTx(txHeight, (double)feeRate.GetFeePerK());
}
bool CBlockPolicyEstimator::processBlockTx(unsigned int nBlockHeight, const CTxMemPoolEntry* entry)
@ -370,7 +375,7 @@ bool CBlockPolicyEstimator::processBlockTx(unsigned int nBlockHeight, const CTxM
// Feerates are stored and reported as BTC-per-kb:
CFeeRate feeRate(entry->GetFee(), entry->GetTxSize());
feeStats.Record(blocksToConfirm, (double)feeRate.GetFeePerK());
feeStats->Record(blocksToConfirm, (double)feeRate.GetFeePerK());
return true;
}
@ -393,7 +398,7 @@ void CBlockPolicyEstimator::processBlock(unsigned int nBlockHeight,
nBestSeenHeight = nBlockHeight;
// Clear the current block state and update unconfirmed circular buffer
feeStats.ClearCurrent(nBlockHeight);
feeStats->ClearCurrent(nBlockHeight);
unsigned int countedTxs = 0;
// Repopulate the current block states
@ -403,7 +408,7 @@ void CBlockPolicyEstimator::processBlock(unsigned int nBlockHeight,
}
// Update all exponential averages with the current block state
feeStats.UpdateMovingAverages();
feeStats->UpdateMovingAverages();
LogPrint(BCLog::ESTIMATEFEE, "Blockpolicy after updating estimates for %u of %u txs in block, since last block %u of %u tracked, new mempool map size %u\n",
countedTxs, entries.size(), trackedTxs, trackedTxs + untrackedTxs, mapMemPoolTxs.size());
@ -417,10 +422,10 @@ CFeeRate CBlockPolicyEstimator::estimateFee(int confTarget) const
LOCK(cs_feeEstimator);
// Return failure if trying to analyze a target we're not tracking
// It's not possible to get reasonable estimates for confTarget of 1
if (confTarget <= 1 || (unsigned int)confTarget > feeStats.GetMaxConfirms())
if (confTarget <= 1 || (unsigned int)confTarget > feeStats->GetMaxConfirms())
return CFeeRate(0);
double median = feeStats.EstimateMedianVal(confTarget, SUFFICIENT_FEETXS, MIN_SUCCESS_PCT, true, nBestSeenHeight);
double median = feeStats->EstimateMedianVal(confTarget, SUFFICIENT_FEETXS, MIN_SUCCESS_PCT, true, nBestSeenHeight);
if (median < 0)
return CFeeRate(0);
@ -439,15 +444,15 @@ CFeeRate CBlockPolicyEstimator::estimateSmartFee(int confTarget, int *answerFoun
LOCK(cs_feeEstimator);
// Return failure if trying to analyze a target we're not tracking
if (confTarget <= 0 || (unsigned int)confTarget > feeStats.GetMaxConfirms())
if (confTarget <= 0 || (unsigned int)confTarget > feeStats->GetMaxConfirms())
return CFeeRate(0);
// It's not possible to get reasonable estimates for confTarget of 1
if (confTarget == 1)
confTarget = 2;
while (median < 0 && (unsigned int)confTarget <= feeStats.GetMaxConfirms()) {
median = feeStats.EstimateMedianVal(confTarget++, SUFFICIENT_FEETXS, MIN_SUCCESS_PCT, true, nBestSeenHeight);
while (median < 0 && (unsigned int)confTarget <= feeStats->GetMaxConfirms()) {
median = feeStats->EstimateMedianVal(confTarget++, SUFFICIENT_FEETXS, MIN_SUCCESS_PCT, true, nBestSeenHeight);
}
} // Must unlock cs_feeEstimator before taking mempool locks
@ -472,7 +477,7 @@ bool CBlockPolicyEstimator::Write(CAutoFile& fileout) const
fileout << 139900; // version required to read: 0.13.99 or later
fileout << CLIENT_VERSION; // version that wrote the file
fileout << nBestSeenHeight;
feeStats.Write(fileout);
feeStats->Write(fileout);
}
catch (const std::exception&) {
LogPrintf("CBlockPolicyEstimator::Write(): unable to read policy estimator data (non-fatal)\n");
@ -490,7 +495,7 @@ bool CBlockPolicyEstimator::Read(CAutoFile& filein)
if (nVersionRequired > CLIENT_VERSION)
return error("CBlockPolicyEstimator::Read(): up-version (%d) fee estimate file", nVersionRequired);
filein >> nFileBestSeenHeight;
feeStats.Read(filein);
feeStats->Read(filein);
nBestSeenHeight = nFileBestSeenHeight;
// if nVersionThatWrote < 139900 then another TxConfirmStats (for priority) follows but can be ignored.
}

7
src/policy/fees.h
View File

@ -108,13 +108,13 @@ private:
public:
/**
* Initialize the data structures. This is called by BlockPolicyEstimator's
* Create new TxConfirmStats. This is called by BlockPolicyEstimator's
* constructor with default values.
* @param defaultBuckets contains the upper limits for the bucket boundaries
* @param maxConfirms max number of confirms to track
* @param decay how much to decay the historical moving average per block
*/
void Initialize(std::vector<double>& defaultBuckets, unsigned int maxConfirms, double decay);
TxConfirmStats(const std::vector<double>& defaultBuckets, unsigned int maxConfirms, double decay);
/** Clear the state of the curBlock variables to start counting for the new block */
void ClearCurrent(unsigned int nBlockHeight);
@ -205,6 +205,7 @@ class CBlockPolicyEstimator
public:
/** Create new BlockPolicyEstimator and initialize stats tracking classes with default values */
CBlockPolicyEstimator();
~CBlockPolicyEstimator();
/** Process all the transactions that have been included in a block */
void processBlock(unsigned int nBlockHeight,
@ -245,7 +246,7 @@ private:
std::map<uint256, TxStatsInfo> mapMemPoolTxs;
/** Classes to track historical data on transaction confirmations */
TxConfirmStats feeStats;
TxConfirmStats* feeStats;
unsigned int trackedTxs;
unsigned int untrackedTxs;